{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["GENE"], "input": "PATIENTS AND METHODS : We report our experience with seven children with active small bowel Crohn ' s disease given a casein - based , polymeric feed rich in TGF - beta 2 ( Specific Polymeric Diet ; Nestle - Clintec ; Vevey , Switzerland ) as complete nutrition for 8 weeks ."}
{"GENE": ["casein", "TGF - beta 2"]}